(2) Verified high reliability
The new IP maintains the 20-year data retention time, which is crucial for automotive MCUs, and achieves a rewrite cycle count of 250,000 times when used as data storage flash memory, which is also the same as that of Renesas 40 nm process devices.
(3)Possible to include large capacity Flash
When 28 nm process flash MCUs are fabricated using this flash memory, it will be possible to include a maximum capacity of over 16 MB on a single chip.
Moving to a finer process also enables about twice as many high-speed/low-power transistors to be included in the logic blocks compared with the earlier Renesas 40 nm process. This makes it possible to develop MCUs that include support for multiple CPU cores, functional safety and security, and multiple interface standards, and enables the integration of the automotive electronic control unit (ECU).
Now, Renesas has completed the development of the industry’s first 28 nm process on-chip flash memory IP for MCUs based on the expertise accumulated over many years and its experience in reducing feature sizes to the 40 nm process. This development will make it possible for Renesas to be the first to create 28 nm flash MCUs for automotive applications, Renesas will be able to deliver increased memory capacities and improved processing performance in conjunction with the finer feature sizes in the logic circuits other than flash memory circuits.
Based on the successful results of this development effort, Renesas will accelerate its development of 28 nm process automotive flash MCUs and will be the first to introduce such products to the market to respond to customer needs. Thus Renesas will be contributing to our system designers’ development leading-edge product development to implement a secure, safe, and pleasant automotive society.
(Note 1) MONOS (Metal Oxide Nitride Oxide Silicon)
Renesas is applying the MONOS technology, which has a 20-year track record in EEPROMs, secure MCUs, and other products, to flash memory integrated on the MCU chip. Renesas is also developing its own unique transistor structures.
(Remarks)
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About Renesas Electronics Corporation
Renesas Electronics Corporation (TSE: 6723), the world’s number one supplier of microcontrollers, is a premier supplier of advanced semiconductor solutions including microcontrollers, SoC solutions and a broad-range of analog and power devices. Business operations began as Renesas Electronics in April 2010 through the integration of NEC Electronics Corporation (TSE:6723) and Renesas Technology Corp., with operations spanning research, development, design and manufacturing for a wide range of applications. Headquartered in Japan, Renesas Electronics has subsidiaries in 20 countries worldwide. More information can be found at www.renesas.com.
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